<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
   <!--  onchange="selectPro(this)" -->
	<select id="pro" onchange="selectCitys(this)">
	<option>--请选择--</option>
	</select>
	<select id="city" onchange="selectArea(this)">
	</select>
	<select id="area">
	</select>
	<script src="${pageContext.request.contextPath}/lib/jquery/jquery-1.11.1.js" type="text/javascript" charset="utf-8"></script>
	<script type="text/javascript">
		$(function(){
		       $.post("${pageContext.request.contextPath}/selectArea?method=province",
					function(jsonObj){
						console.log("这是" +jsonObj);
						var html = "<option>--请选择--</option>";
						for(var i=0;i<jsonObj.length;i++){
							html += "<option value='"+jsonObj[i].id+"'>"+jsonObj[i].province+"</option>";
						}
						$("#pro").html(html);
					},
					"json");
		/* 	$.ajax({
				url : "${pageContext.request.contextPath}/selectArea?method=province",
				type : "post",
				dataType : "json",
				success : function (jsonObj) {
					 console.log(jsonObj);
					var html = "<option>--请选择--</option>";
					for(var i=0;i<jsonObj.length;i++){
						html += "<option value='"+jsonObj[i].id+"'>"+jsonObj[i].province+"</option>";
					}
					$("#pro").html(html);
				}
			}); */
		 });
		 function selectCitys(obj){
			 $("#area option:gt(0)").remove();
			 var provinceId = $(obj).val();
			$.post(
				"${pageContext.request.contextPath}/selectArea?method=city",
				{"provinceId":provinceId},
				function(jsonObj){
					// console.log(jsonObj);
					var html = "<option>--请选择--</option>";
					for(var i=0;i<jsonObj.length;i++){
						html += "<option value='"+jsonObj[i].id+"'>"+jsonObj[i].city+"</option>";
					}
					$("#city").html(html);
				},
				"json") 
		} 
		 function selectArea(obj){
			 var cityid = $(obj).val();
			 $.post("${pageContext.request.contextPath}/selectArea?method=area",
					 {"cityid":cityid},
					 function(jsonObj){
				 var html = "<option>--请选择--</option>";
				 for(var i=0;i<jsonObj.length;i++){
					 html += "<option value='"+jsonObj[i].id+"'>"+jsonObj[i].area+"</option>"
				 }
				 $("#area").html(html);
			 },
			 "json")
		 }
	</script>
	
	
	
	
	
</body>
</html>